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[css] 第142天 word-wrap、word-break和white-space有什么区别? #1153

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haizhilin2013 opened this issue Sep 4, 2019 · 4 comments
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@haizhilin2013
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第142天 word-wrap、word-break和white-space有什么区别?

@haizhilin2013 haizhilin2013 added the css css label Sep 4, 2019
@xxf1996
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xxf1996 commented Sep 5, 2019

  • word-wrap:现在改为overflow-wrap了;用于控制单词在超出其包裹元素时是否中断单词换行;
  • white-space:用于处理元素中的空白符号(包括空格,换行符,制表符,<br>元素,文字自然换行);
  • word-break:用于控制单词在换行时如何断开;

@EragonBubble
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word-wrap 又叫overflow-wrap,控制单词如何被拆分换行的,normal | break-word
word-break 控制单词如何被拆分换行的,normal | break-all | keep-all
white-space 控制空白字符的显示的,normal | nowrap | pre | pre-wrap | pre-line

@mrzp2
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mrzp2 commented Sep 5, 2019

  1. word-wrap
    标明是否允许浏览器再单词内进行断句
    normal 只允许在断字点换行 默认值
    break-word 在长单词或这url地址内部进行换行

  2. word-break
    标明怎么样进行单词内的断句
    normal 默认值
    break-all 允许在单词内换行
    keep-all 只能在半角空格或字符串处换行

3.white-space
属性设置如何处理元素内的空白
normal 默认值
pre 空包会被浏览器保存
nowrap 文本不会换行,在同一行显示,知道遇到br标签为止
pre-wrap 保留空白序列,会正常的换行
pre-line 合并空白序列,会保留换行符
inherit 应该从父元素继承white-space属性的值

@EmiyaYang
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word-wrap: break-wordword-break: break-word这两者容易混淆.

前者在一行无法全部容纳下一个单词时会将其全部"推至"下一行. 若下一行也无法完全容纳时再进行截断.
后者在一行无法全部容纳下一个单词时则会直接进行截断.

语言定性可能还是有点抽象, 可配合实例食用: Emiya's Codepen

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